WO2023028731A1

WO2023028731A1 - Hydraulic device for numerically controlled machine tool

Info

Publication number: WO2023028731A1
Application number: PCT/CN2021/115238
Authority: WO
Inventors: 叶建根; 张超
Original assignee: 苏州群志机械设备有限公司
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2023-03-09

Abstract

A hydraulic device for a numerically controlled machine tool, which relates to the technical field of numerically controlled machine tools, and aims to solve the problem of reduced transmission efficiency caused by an insufficient automatic control test performance, during an oil delivery process, of an existing hydraulic device for a numerically controlled machine tool. An oil tank (3) is arranged above a protective base (1), a PLC (8) is arranged on an outer side of the oil tank (3), a disassembly rotary block (4) is arranged below the PLC (8), an electric motor (5) is arranged above the oil tank (3), a hydraulic pump (7) is arranged at one end of the electric motor (5), a quantitative metering electronic control valve (13) is arranged at the lower end of the hydraulic pump (7), a material guide pipe (6) is arranged on one side of the hydraulic pump (7), a sealing clamping sleeve (11) is arranged at the front end of the material guide pipe (6), a shock-absorbing damping sleeve (10) is arranged below the material guide pipe (6), a thermal insulation inner tank (20) is arranged inside the oil tank (3), a composite oil filter cartridge (18) is arranged inside the thermal insulation inner tank (20), a connecting pipe (14) is arranged on one side of the composite oil filter cartridge (18), and a rotator (17) is arranged at one end of the composite oil filter cartridge (18).

Description

A hydraulic device for CNC machine tools

technical field

The invention relates to the technical field of numerical control machine tools, in particular to hydraulic equipment for numerical control machine tools.

Background technique

CNC machine tools solve complex, precise, small-batch, and multi-variety parts processing problems. It is a flexible, high-efficiency automatic machine tool that represents the development direction of modern machine tool control technology. It is a typical mechanical and electrical integration. For chemical products, the CNC hydraulic system increases the force by changing the pressure. A complete hydraulic system consists of five parts, namely power components, actuators, control components, auxiliary components (accessories) and hydraulic oil.

The hydraulic equipment of the existing CNC machine tool has insufficient self-control detection performance during the oil transmission process, resulting in a reduction in transmission efficiency.

So we propose a hydraulic equipment for CNC machine tools in order to solve the problems raised above.

Contents of the invention

The purpose of the present invention is to provide a kind of hydraulic equipment for numerical control machine tool, to solve the hydraulic equipment of existing numerical control machine tool proposed in the above-mentioned background technology, in the process of oil delivery, its self-control detection performance is insufficient, resulting in the reduction of transmission efficiency question.

In order to achieve the above object, the present invention provides the following technical solutions: a hydraulic device for numerically controlled machine tools, including a protective base, an oil tank is arranged above the protective base, and a PLC is arranged outside the oil tank A manipulator, the PLC manipulator is provided with a disassembly rotary block below, a motor is provided above the oil tank, a hydraulic pump is provided at one end of the motor, and a quantitative metering electronic control valve is provided at the lower end of the hydraulic pump , one side of the hydraulic pump is provided with a feed pipe, the front end of the feed pipe is provided with a sealing ferrule, the bottom of the feed pipe is provided with a shock-absorbing damping sleeve, and the inside of the oil tank is provided with A temperature-insulated inner box, the interior of the temperature-insulated inner box is provided with a composite filter oil core, one side of the composite filter oil core is provided with a connecting pipe, one end of the composite filter oil core is provided with a rotator, and the rotating One side of the device is provided with a power supply.

Preferably, the lower end of the protective base is provided with a supporting bracket, and the supporting bracket is welded to the lower end of the protective base.

Preferably, the upper end of the oil tank is provided with an air pressure self-control regulator, and the air pressure self-control regulator is welded to the upper end of the oil tank.

Preferably, a sealing helical structure is provided on the inner side of the disassembly rotary block, and the sealing helical structure and the disassembly rotary block are formed integrally.

Preferably, the upper end of the material guide pipe is provided with an oil pressure oil temperature sensor, and the oil pressure oil temperature sensor is welded to the upper end of the material guide pipe.

Preferably, an inlet is provided in the middle of the sealing ferrule, and the inlet and the middle of the sealing ferrule are integrally formed.

Preferably, one end of the connecting pipe is provided with an oil content sensor, and the oil content sensor is welded to one end of the connecting pipe.

Compared with prior art, the beneficial effect of the present invention is:

1. The present invention can circulate and filter the oil through the mutual cooperation of the set composite filter oil core, the air pressure self-control regulator and multiple detectors, so that it can be used multiple times to ensure hydraulic stability and improve transmission efficiency. First, seal the card The sleeve and the air pressure self-control regulator are respectively connected to the oil pipes that need to be connected to the CNC machine tool, thereby forming an oil filter circuit, avoiding air during hydraulic operation, and improving air tightness. The composite filter oil core can effectively filter impurities in the oil. Improve hydraulic efficiency.

2. Through the cooperation of the installed oil pressure and oil temperature sensor and the quantitative metering electronic control valve, the flow and state of the oil can be detected and processed in time.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the sectional structure schematic diagram of the present invention;

Fig. 3 is a schematic diagram of the back-end structure of the present invention;

In the figure: 1. Protective base; 2. Support card frame; 3. Oil tank; 4. Disassemble the rotary block; 5. Motor; 6. Guide pipe; 7. Hydraulic pump; 8. PLC controller; 9. Air pressure self-control regulator; 10. Shock-absorbing damping sleeve; 11. Seal ferrule; 12. Access port; 13. Quantitative metering electronic control valve; 14. Connecting pipe; 15. Sealing spiral structure; 16. Power supply; 17. Rotation 18. Composite filter oil core; 19. Oil content sensor; 20. Insulated inner box; 21. Oil pressure and oil temperature sensor.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

Please refer to Figures 1-3, an embodiment provided by the present invention: a hydraulic device for a numerically controlled machine tool, including a protective base 1, an oil tank 3 is arranged above the protective base 1, and the oil tank 3 A PLC controller 8 is arranged on the outside, a disassembly rotary block 4 is arranged below the PLC controller 8, a motor 5 is arranged above the oil tank 3, a hydraulic pump 7 is arranged at one end of the motor 5, and a quantitative pump 7 is arranged at the lower end of the hydraulic pump 7. Metering electronic control valve 13, one side of hydraulic pump 7 is provided with feed pipe 6, the front end of feed pipe 6 is provided with sealing ferrule 11, the bottom of feed pipe 6 is provided with shock-absorbing damping sleeve 10, oil tank 3 A temperature-insulated inner box 20 is arranged inside the temperature-insulated inner box 20, and a composite filter oil core 18 is arranged inside the temperature-insulated inner box 20. A connecting pipe 14 is arranged on one side of the composite filter oil core 18, and a rotator is arranged on one end of the composite filter oil core 18. 17. One side of the rotator 17 is provided with a power supply 16.

Further, the lower end of the protective base 1 is provided with a supporting bracket 2 , and the supporting bracket 2 is welded to the lower end of the protective base 1 .

Further, the upper end of the oil tank 3 is provided with an air pressure self-control regulator 9 , and the air pressure self-control regulator 9 is welded to the upper end of the oil tank 3 .

Further, a sealing helical structure 15 is provided on the inner side of the dismounting rotary block 4, and the sealing helical structure 15 is integrally formed with the dismounting rotary block 4. First, the sealing ferrule 11 and the air pressure self-control regulator 9 are respectively connected to the oil pipes that need to be connected to the CNC machine tool. In this way, an oil filter circuit is formed to avoid air during hydraulic operation and improve air tightness.

Further, the upper end of the material guide pipe 6 is provided with an oil pressure oil temperature sensor 21 , and the oil pressure oil temperature sensor 21 is welded to the upper end of the material guide pipe 6 .

Further, an inlet 12 is provided in the middle of the sealing ferrule 11, and the inlet 12 and the middle of the sealing ferrule 11 are integrally formed, and the composite filter oil core 18, the air pressure self-control regulator 9 and a plurality of detectors cooperate with each other. , the oil can be circulated and filtered so that it can be used multiple times to ensure hydraulic stability and improve transmission efficiency.

Further, one end of the connecting pipe 14 is provided with an oil content sensor 19, and the oil content sensor 19 is welded to one end of the connecting pipe 14, through the oil pressure oil temperature sensor 21 provided and the quantitative metering electronic control valve 13 Cooperating with each other, the flow and state of the oil can be detected and processed in time.

Working principle: When in use, the set composite filter oil core 18 cooperates with the air pressure self-control regulator 9 and multiple detectors to circulate and filter the oil, so that it can be used multiple times to ensure hydraulic stability and improve transmission efficiency. Connect the sealing ferrule 11 and the air pressure self-control regulator 9 to the oil pipes that need to be connected to the CNC machine tool, thereby forming an oil filtration circuit, avoiding air during hydraulic operation, and improving air tightness. The composite filter oil core 18 can be used to effectively filter Impurities in the oil improve the hydraulic efficiency. Through the cooperation of the installed oil pressure and oil temperature sensor 21 and the quantitative metering electronic control valve 13, the flow and state of the oil can be detected and processed in time.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

A hydraulic device for a numerically controlled machine tool, comprising a protective base (1), characterized in that: an oil tank (3) is arranged above the protective base (1), and the oil tank (3) A PLC manipulator (8) is provided on the outside, a dismounting rotary block (4) is provided below the PLC manipulator (8), a motor (5) is provided above the oil tank (3), and the motor ( 5) is provided with a hydraulic pump (7), the lower end of the hydraulic pump (7) is provided with a quantitative metering electronic control valve (13), and one side of the hydraulic pump (7) is provided with a material guide pipe (6) , the front end of the feed pipe (6) is provided with a sealing ferrule (11), and the bottom of the feed pipe (6) is provided with a shock-absorbing damping sleeve (10), and the inside of the oil tank (3) A temperature-insulated inner box (20) is provided, and a composite filter oil core (18) is arranged inside the temperature-insulated inner box (20), and a connecting pipe (14) is arranged on one side of the composite filter oil core (18) A rotator (17) is arranged at one end of the composite filter oil core (18), and a power supply (16) is arranged at one side of the rotator (17).
A kind of hydraulic equipment for numerically controlled machine tools according to claim 1, characterized in that: the lower end of the protective base (1) is provided with a supporting card frame (2), and the supporting card frame (2) and the protective base The lower end of the seat (1) is welded and connected.
A kind of hydraulic equipment for numerically controlled machine tools according to claim 1, characterized in that: the upper end of the oil tank (3) is provided with an air pressure self-control regulator (9), and the air pressure self-control regulator (9) and The upper end of the oil tank (3) is welded and connected.
A hydraulic device for numerically controlled machine tools according to claim 1, characterized in that: a sealing helical structure (15) is provided on the inner side of the dismounting knob (4), and the sealing helical structure (15) is in contact with the dismounting knob The block (4) is integrally formed.
A hydraulic device for numerical control machine tools according to claim 1, characterized in that: the upper end of the guide pipe (6) is provided with an oil pressure oil temperature sensor (21), and the oil pressure oil temperature sensor (21) is welded and connected with the upper end of material guide pipe (6).
A kind of hydraulic equipment for numerically controlled machine tools according to claim 1, characterized in that: an inlet (12) is arranged in the middle of the sealing ferrule (11), and the inlet (12) is connected with the sealing ferrule ( 11) The middle one-piece molding setting.
A hydraulic device for numerical control machine tools according to claim 1, characterized in that: one end of the connecting pipe (14) is provided with an oil content sensor (19), and the oil content sensor (19) Connect with one end of connecting pipe (14) by welding.